Radiodensity and hardness of enamel and dentin of human and bovine teeth, varying bovine teeth age - Fonseca, R.B.; Haiter-Neto, F.; Carlo, H.L.; Soares, C.J.; Sinhoreti, M.A.C.; Puppin-Rontani, R.M.; Correr-Sobrinho, L. (Archives of Oral Biology, 2008)